Mercurial > hg > orthanc
annotate Resources/Graveyard/Multithreading/BagOfTasksProcessor.h @ 3349:ef18ea68a362
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| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Thu, 18 Apr 2019 15:52:56 +0200 |
| parents | 4e43e67f8ecf |
| children | 94f4a18a79cc |
| rev | line source |
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| 1920 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 1920 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #pragma once | |
| 35 | |
| 36 #include "BagOfTasks.h" | |
| 37 #include "SharedMessageQueue.h" | |
| 38 | |
| 39 #include <stdint.h> | |
| 40 #include <map> | |
| 41 | |
| 42 namespace Orthanc | |
| 43 { | |
| 44 class BagOfTasksProcessor : public boost::noncopyable | |
| 45 { | |
| 46 private: | |
| 47 enum BagStatus | |
| 48 { | |
| 49 BagStatus_Running, | |
| 50 BagStatus_Canceled, | |
| 51 BagStatus_Failed | |
| 52 }; | |
| 53 | |
| 54 | |
| 55 struct Bag | |
| 56 { | |
| 57 size_t size_; | |
| 58 size_t done_; | |
| 59 BagStatus status_; | |
| 60 | |
| 61 Bag() : | |
| 62 size_(0), | |
| 63 done_(0), | |
| 64 status_(BagStatus_Failed) | |
| 65 { | |
| 66 } | |
| 67 | |
| 2223 | 68 explicit Bag(size_t size) : |
| 69 size_(size), | |
| 70 done_(0), | |
| 71 status_(BagStatus_Running) | |
| 1920 | 72 { |
| 73 } | |
| 74 }; | |
| 75 | |
| 76 class Task; | |
| 77 | |
| 78 | |
| 79 typedef std::map<uint64_t, Bag> Bags; | |
| 80 typedef std::map<uint64_t, bool> ExitStatus; | |
| 81 | |
| 82 SharedMessageQueue queue_; | |
| 83 | |
| 84 boost::mutex mutex_; | |
| 85 uint64_t countBags_; | |
| 86 Bags bags_; | |
| 87 std::vector<boost::thread*> threads_; | |
| 88 ExitStatus exitStatus_; | |
| 89 bool continue_; | |
| 90 | |
| 91 boost::condition_variable bagFinished_; | |
| 92 | |
| 93 static void Worker(BagOfTasksProcessor* that); | |
| 94 | |
| 95 void Cancel(int64_t bag); | |
| 96 | |
| 97 bool Join(int64_t bag); | |
| 98 | |
| 99 float GetProgress(int64_t bag); | |
| 100 | |
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101 void SignalProgress(Task& task, |
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102 Bag& bag); |
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103 |
| 1920 | 104 public: |
| 105 class Handle : public boost::noncopyable | |
| 106 { | |
| 107 friend class BagOfTasksProcessor; | |
| 108 | |
| 109 private: | |
| 110 BagOfTasksProcessor& that_; | |
| 111 uint64_t bag_; | |
| 112 bool hasJoined_; | |
| 113 bool status_; | |
| 114 | |
| 115 Handle(BagOfTasksProcessor& that, | |
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116 uint64_t bag, |
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117 bool empty) : |
| 1920 | 118 that_(that), |
| 119 bag_(bag), | |
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120 hasJoined_(empty) |
| 1920 | 121 { |
| 122 } | |
| 123 | |
| 124 public: | |
| 125 ~Handle() | |
| 126 { | |
| 127 Join(); | |
| 128 } | |
| 129 | |
| 130 void Cancel() | |
| 131 { | |
| 132 that_.Cancel(bag_); | |
| 133 } | |
| 134 | |
| 135 bool Join(); | |
| 136 | |
| 137 float GetProgress() | |
| 138 { | |
| 139 return that_.GetProgress(bag_); | |
| 140 } | |
| 141 }; | |
| 142 | |
| 143 | |
| 2223 | 144 explicit BagOfTasksProcessor(size_t countThreads); |
| 1920 | 145 |
| 146 ~BagOfTasksProcessor(); | |
| 147 | |
| 148 Handle* Submit(BagOfTasks& tasks); | |
| 149 }; | |
| 150 } |